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ch 28

vocab

QuestionAnswer
cartilage flexible tough material that makes up vertebrate skeletons or parts of vertebrate skeletons
neural crest group of cells that develoops from the embryos ectoderm adn contributes to the development of many vertebrate structures.
fin paddle shaped structure of a fish or other aquatic animal used for steering balance and propulsion
scale small flat platelike sturcutre near the surface of the skin of most fishes can be ctenoid cycloid pacoid or ganoid.
operculum movable protective flap that covers a fishs gills adn helps to pump water that enters the mouth and moves over the gills.
atrium heart chamber that receives blood from the body.
ventricle the heart chamber that pujmps blood from the heart to the gills.
nephron filtering unit of the kidney
lateral line systme sensory receptors that enable fishes to detect vibrations or sound waves in water.
spawning process by which male and female fishes release their gametes near eacho other in the water.
swim bladder gas filled internal space in bony fishes that allows them to regulate theri buoyancy.
tetrapod four footed animal wiht legs that have feet and toes with joints .
Created by: joelsawyer
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